Module: Digiproc::Multipliable

Defined in:
lib/concerns/multipliable.rb

Overview

Including Class instance must have a data property which is an array. Allows you to say classInstance1 * classInstance2 and the two data vectors will be multiplied on an element-by-element basis Note: the data vectors must be the same length

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/concerns/multipliable.rb', line 8

def self.included(base)
    base.class_eval do 
        include RequiresData
    end
end

Instance Method Details

#*(obj) ⇒ Object

Multiplies the instance’s ‘data` property on an element-by-element basis with the other instance’s data property

Raises:

  • (ArgumentError) 


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# File 'lib/concerns/multipliable.rb', line 17

def * (obj)
    raise ArgumentError.new("Object must have #data reader") if not obj.respond_to?(:data)
    raise ArgumentError.new("Object data must respond to #times, #{obj.data.class} does not") if not obj.data.respond_to?(:times)
    self.data.times obj.data
end